public class Student {
    static String schoolName;

    public static void main1(String[] args) {
        Student s1 = new Student();
        Student s2 = new Student();
        Student.schoolName = "哔哩大学";

        System.out.println("我是"+s1.schoolName+"的学生");
        System.out.println("我是"+s2.schoolName+"的学生");
        System.out.println("我是"+Student.schoolName+"的学生");
    }
}
